OKLAHOMA CITY (CBS/KWTV/AP) A probable cause affidavit reveals wild details in the death of an Oklahoma City woman whose husband said he accidentally shot her in the head.

In the affidavit released by the Oklahoma City Police Department, the affidavit notes the couple often engaged in sexual fantasies involving a gun, reports CBS affiliate KWTV.

Arthur Sedille was arrested Dec. 21 and charged with first-degree murder in the death of his 50-year-old wife, Rebecca Sedille.

The husband, Arthur Sedille, said that on the night of Dec. 21 he grabbed a gun off a shelf by the bed and racked the slide which caused the gun to cock. Sedille said not realizing it was loaded, he placed it next to his wife's head and it went off.

His wife, Rebecca Sedille, was transported to a hospital where she was pronounced dead. Sedille is being held in the Oklahoma County Jail.